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  2. Body water - Wikipedia

    en.wikipedia.org/wiki/Body_water

    [2] [3] There can be considerable variation in body water percentage based on a number of factors like age, health, water intake, weight, and sex. In a large study of adults of all ages and both sexes, the adult human body averaged ~65% water. However, this varied substantially by age, sex, and adiposity (amount of fat in body composition).

  3. Fluid balance - Wikipedia

    en.wikipedia.org/wiki/Fluid_balance

    The recommended daily amount of drinking water for humans varies. [1] It depends on activity, age, health, and environment.In the United States, the Adequate Intake for total water, based on median intakes, is 4.0 litres (141 imp fl oz; 135 US fl oz) per day for males older than 18, and 3.0 litres (106 imp fl oz; 101 US fl oz) per day for females over 18; it assumes about 80% from drink and 20 ...

  4. Dehydration - Wikipedia

    en.wikipedia.org/wiki/Dehydration

    The symptoms of dehydration become increasingly severe with greater total body water loss. A body water loss of 1-2%, considered mild dehydration, is shown to impair cognitive performance. [9] While in people over age 50, the body's thirst sensation diminishes with age, a study found that there was no difference in fluid intake between young ...

  5. A Urologist Explains * Exactly * How Much Water You Should Be ...

    www.aol.com/urologist-explains-exactly-much...

    "Generally speaking, your body doesn't decide that it's thirsty until you've lost about 2 percent of your body water. That's not a lot, and it's very easy to make up by drinking fluids."

  6. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    The adult human body averages ~53% water. [7] This varies substantially by age, sex, and adiposity. In a large sample of adults of all ages and both sexes, the figure for water fraction by weight was found to be 48 ±6% for females and 58 ±8% water for males. [8]

  7. Body fluid - Wikipedia

    en.wikipedia.org/wiki/Body_fluid

    In lean healthy adult men, the total body water is about 60% (60–67%) of the total body weight; it is usually slightly lower in women (52–55%). [2] [3] The exact percentage of fluid relative to body weight is inversely proportional to the percentage of body fat. A lean 70 kg (150 lb) man, for example, has about 42 (42–47) liters of water ...

  8. A urologist explains how much water you should actually be ...

    www.aol.com/lifestyle/urologist-explains-much...

    "Sometimes if you drink too much, it can lower the salt in your body too much and cause something called hyponatremia, which can make you very sick," she says. You Might Also Like The 16 Best Men ...

  9. Bioelectrical impedance analysis - Wikipedia

    en.wikipedia.org/wiki/Bioelectrical_impedance...

    The equation (the squared value of height divided by impedance measurements of the right half of the body) showed a correlation coefficient of 0.92 with total body water. This equation, Hoffer proved, is known as the impedance index used in BIA. [16] In 1983, Nyober validated the use of whole body electrical impedance to assess body composition ...